Evaluating and comparing methods of sinkhole susceptibility mapping in the Ebro Valley evaporite karst (NE Spain)

Arnedo, Jorge Pedro Galve; Gutiérrez, Francisco; Remondo, Juan; Bonachea, Jaime; Lucha, Pedro; Cendrero, Antonio

doi:10.1016/j.geomorph.2009.04.017

Cited by 93 publications

(71 citation statements)

References 55 publications

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“…The Ripon area in the UK, for example, is zoned on the basis of the distribution of subsidence features, the up-dip limit (Figure 4, section A, west side) of the gypsum and the down-dip transition from gypsum to anhydrite ( Figure 5, contact between zones C and B; Thompson et al, 1998;Paukštys et al, 1999). Where good datasets are available, independently tested susceptibility models based on statistical analysis, the density of sinkholes or the proximity of each point to the existing sinkholes permits more precise and objective delineation of the subsidence-prone and safe zones (Galve et al, 2008(Galve et al, , 2009b.…”

Section: Cities and Townsmentioning

confidence: 99%

“…A complete karst inventory including subsidence features gives an indication of the spatial distribution and severity of the problem (Cooper, 1998;Galve et al, 2009a). This type of information can then be analyzed with respect to other parameters using GIS techniques to produce susceptibility and hazard models (Galve et al, 2008(Galve et al, , 2009b. Yilmaz (2007) working in the Sivas gypsum karst, Turkey, considered multiple parameters related to the topography, geology, hydrology, human structures and vegetation to calculate a susceptibility map.…”

Section: Surveying Sinkhole Susceptibility Gis and Planningmentioning

confidence: 99%

“…By combining the data from these three layers they improved the Paris regulation map for gypsum problems and identified additional areas that were previously not thought to be problematic (Figure 7). In the Ebro Valley, Galve et al (2009b) have produced multiple sinkhole susceptibility models by applying different methodologies including probabilistic analyses, a heuristic approach, sinkhole density analysis and the proximity to nearest sinkhole. The independent evaluation of these models reveals that the most reliable susceptibility maps are based on the simplest methods without requiring data on the causal factors; the density of sinkholes and the proximity to the nearest sinkhole have proved the best.…”

Section: Surveying Sinkhole Susceptibility Gis and Planningmentioning

confidence: 99%

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6.35 Dealing with Gypsum Karst Problems: Hazards, Environmental Issues, and Planning

Cooper

Gutiérrez

2013

Treatise on Geomorphology

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Synopsis/Abstract 153 wordsGypsum dissolves rapidly underground and at the surface forming gypsum karst features that include caves, subsidence areas and sinkholes. Mapping these landforms, understanding the gypsum karst and local hydrogeology, and producing sinkhole susceptibility and hazard maps are crucial for development and public safety. Situations that change the local hydrogeology, such as dams, water abstraction or injection/drainage, can accelerate dissolution and subsidence processes increasing the severity of the problems; dams and canals built on gypsum karst can leak or fail catastrophically. Gypsum karst problems can be mitigated by careful surveying and scientific investigation followed by phased preventive planning, ground investigation and construction incorporating sinkhole-proof designs. Towns and cities, including parts of Paris (France), Dzerzhinksk (Russia), Madrid and Zaragoza (Spain), Birzai (Lithuania) and Ripon and Darlington (UK), are developed on such ground requiring local planning guidelines and special construction methods. Roads, railways, pipelines and bridges are particularly vulnerable to such subsidence and require special consideration.

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Section: Cities and Townsmentioning

confidence: 99%

Section: Surveying Sinkhole Susceptibility Gis and Planningmentioning

confidence: 99%

Section: Surveying Sinkhole Susceptibility Gis and Planningmentioning

confidence: 99%

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6.35 Dealing with Gypsum Karst Problems: Hazards, Environmental Issues, and Planning

Cooper

Gutiérrez

2013

Treatise on Geomorphology

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“…Gao and Alexander (2003) and Bruno et al (2008) used a decision tree, Lamelas et al (2008) chose logistic regression. Applying several karst susceptibility assessment methodologies to the Ebro Valley, Galve et al (2009) noted that models derived from the nearest neighbour distance and sinkhole density were more reliable than the probabilistic or heuristic methods. These tool types, however, are only based on the initial collection of data and thus favour the best informed sectors so that the susceptibility assessment might result in outlining the sectors where the information on the cavities is available.…”

Section: Introductionmentioning

confidence: 99%

“…ground instability) measures the spatial probability of its appearance at the surface, without any reference to a temporal frequency associated with the hazard (Galve et al, 2009). This susceptibility level is a decision indicator for the decision maker, and is here assessed quantitatively as an "index".…”

Section: Introductionmentioning

confidence: 99%

Managing expert-information uncertainties for assessing collapse susceptibility of abandoned underground structures

Nachbaur¹,

Rohmer²

2011

Engineering Geology

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Assessing the collapse susceptibility of abandoned cavities at a regional scale is associated with large uncertainties that are mainly related to the very nature of the phenomena, but also to the difficulty in collecting exhaustive information at such a scale on often "forgotten" structures. In this context, the expert's role is essential, because he is able to synthesize the information resulting from the inventory and from the commonly imprecise, if not vague, criteria on the basis of his experience and his knowledge of the regional geological and historical and economic context. In this article, we propose mathematical tools for representing and processing this information in order to give flexibility to this step and manage the uncertainty inherent in the expert's information. The first tool, based on the weight of evidence theory, is for managing the uncertainty due to the heterogeneous spatial distribution of the data, whereas the second tool, based on the fuzzy set theory, is for managing the imprecision and incompleteness of available data, which hinder the definition of the class boundaries of the quantitative decision criteria. Based on an appropriate representation of the uncertainty sources (related to the input data and to the expert diagnostic), we then propose a methodology that integrates the uncertainty in the final output of the collapse susceptibility assessment and provides a confidence indicator useful within the decision-making process. The proposed methodology is applied to the Arras territory in the North of France, where abandoned chalk pits (dating back to the Roman ages) and war saps (i.e. covered trenches) located in the vicinity of the First World War front lines both raise difficulties for urban planning

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Natural versus human control on subsurface salt dissolution and development of thousands of sinkholes along the Dead Sea coast

Abelson

Yechieli

Baer

et al. 2017

J. Geophys. Res. Earth Surf.

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One of the most hazardous results of the human‐induced Dead Sea (DS) shrinkage is the formation of more than 6000 sinkholes over the last 25 years. The DS shrinkage caused eastward retreat of underground brine replaced by fresh groundwater, which in turn dissolved a subsurface salt layer, to generate cavities and collapse sinkholes. The areal growth rate of sinkhole clusters is considered the most pertinent proxy for sinkholes development. Analysis of light detection and ranging, digital elevation models, and interferometric synthetic aperture radar allows translation of the areal growth rate to a salt dissolution rate of the salt layer, revealing two peaks in the history of the salt dissolution rate. These peaks cannot be attributed to the decline of the DS level. Instead, we show that they are related to long‐term variations of precipitation in the groundwater source region, the Judea Mountains, and the delayed response of the aquifer system between the mountains and the DS rift. This response is documented by groundwater levels and salinity variations. We thus conclude that while the DS level decline is the major trigger for sinkholes formation, the rainfall variations more than 30 km to the west dominate their evolution rate. The influence of increasing rainfall in the Judea Mountains reaches the DS at a typical time lag of 4 years, and the resulting increase in the salt dissolution rate lags by a total time of 5–6 years.

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Evaluating and comparing methods of sinkhole susceptibility mapping in the Ebro Valley evaporite karst (NE Spain)

Cited by 93 publications

References 55 publications

6.35 Dealing with Gypsum Karst Problems: Hazards, Environmental Issues, and Planning

6.35 Dealing with Gypsum Karst Problems: Hazards, Environmental Issues, and Planning

Managing expert-information uncertainties for assessing collapse susceptibility of abandoned underground structures

Natural versus human control on subsurface salt dissolution and development of thousands of sinkholes along the Dead Sea coast

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